How severe is CVE-2026-5708?

CVE-2026-5708 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-5708 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-5708?

CVE-2026-5708 affects Amazon Research And Engineering Studio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-5708?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-5708 have an EU (EUVD) identifier?

Yes. CVE-2026-5708 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19549.

When was CVE-2026-5708 published?

CVE-2026-5708 was published on 2026-04-06 and last updated on 2026-06-17.

CVE-2026-5708

CVE-2026-5708 is a high-severity vulnerability in Amazon Research And Engineering Studio with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-915.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.7
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19549
Weakness: CWE-915
Affected product: Amazon Research And Engineering Studio
Published: 2026-04-06
Last modified: 2026-06-17

Description

Unsanitized control of user-modifiable attributes in the session creation component in AWS Research and Engineering Studio (RES) prior to version 2026.03 could allow an authenticated remote user to escalate privileges, assume the virtual desktop host instance profile permissions, and interact with AWS resources and services via a crafted API request. To remediate this issue, users are advised to upgrade to RES version 2026.03 or apply the corresponding mitigation patch to their existing environment.

Frequently asked questions

What is CVE-2026-5708?: Unsanitized control of user-modifiable attributes in the session creation component in AWS Research and Engineering Studio (RES) prior to version 2026.03 could allow an authenticated remote user to escalate privileges, assume the virtual desktop host instance profile permissions, and interact with AWS resources and services via a crafted API request. To remediate this issue, users are advised to upgrade to RES version 2026.03 or apply the corresponding mitigation patch to their existing environment.
How severe is CVE-2026-5708?: CVE-2026-5708 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-5708 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-5708?: CVE-2026-5708 affects Amazon Research And Engineering Studio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-5708?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-5708 have an EU (EUVD) identifier?: Yes. CVE-2026-5708 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19549.
When was CVE-2026-5708 published?: CVE-2026-5708 was published on 2026-04-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:amazon:research_and_engineering_studio:*:*:*:*:*:*:*:*

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